Analysis

  • max time kernel
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/10/2026, 09:29

General

  • Target
    2026-10-01_8abab227fca2771fe995d8135a5c265a_agent-tesla_amadey_cloudeye_cobalt-strike_darkgate_elex_.exe
  • Size 21.4MB
  • Sample261002-lf792swxe1
  • SHA256 e4324157004f18cf68f92c1bc049bf2926b5afec473cf7dbdee169b0ec0607a9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops desktop.ini file(s) 3 IoCs
  • Enumerates connected drives 3 TTPs 25 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 3 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 20 IoCs
  • Drops file in Program Files directory 28 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 24 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-01_8abab227fca2771fe995d8135a5c265a_agent-tesla_amadey_cloudeye_cobalt-strike_darkgate_elex_.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-01_8abab227fca2771fe995d8135a5c265a_agent-tesla_amadey_cloudeye_cobalt-strike_darkgate_elex_.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\SysWOW64\msmsgrs.exe
      "C:\Windows\SysWOW64\msmsgrs.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5304
  • C:\Windows\explorer.exe
    Explorer.exe msmsgrs.exe
    1⤵
    • Modifies registry class
    PID:1636
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Drops desktop.ini file(s)
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4744
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1336

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          VSTOInstaller.exe

          • Path C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe
          • Size 21.5MB
          • SHA256 131b56b8bb545378840221f86342715b6ff9796d60b3cd17fee785a89f6011df
          • MD5 SHA1 SHA512 SSDEEP TLSH

          aut43E5.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\aut43E5.tmp
          • Size 5KB
          • SHA256 4d1f21553b4fa345fa6691b894b3897a029cf313b67147a39da098fa2ccd875e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          rfmxpho

          • Path C:\Users\Admin\AppData\Local\Temp\rfmxpho
          • Size 22KB
          • SHA256 8424e23b2d98476d141b375b715dead8f9792166379cb001355db32d152fc185
          • MD5 SHA1 SHA512 SSDEEP TLSH

          history.log

          • Path C:\Windows\SysWOW64\history.log
          • Size 4KB
          • SHA256 e6a2aec98999ae0895a469396cc0d60cb662ea5e41b140f922c09d1811281af4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          history.log

          • Path C:\Windows\SysWOW64\history.log
          • Size 231B
          • SHA256 4338f2bf7518ef168633733004d5e0c6aaf2868518fc7022c080e3404894742f
          • MD5 SHA1 SHA512 TLSH

          memory/2220-0-0x0000000000400000-0x00000000004AF000-memory.dmp

          memory/2220-8-0x0000000000400000-0x00000000004AF000-memory.dmp